43 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • Fever, weight ... #Infections #HIV ... #differential #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... 104°F) • Lobar pneumonia ... gram-negative pneumonia ... or lung abscess ... #Differential #Diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... , CNS, skin • Infectious ... Travel hx, food hx; Fever ... #comparison #table
Air Bronchograms in Pneumonia on Lung Ultrasound

Pearl: When lung looks like liver, it's never a good
Bronchograms in Pneumonia ... on Lung Ultrasound ... , it's never a good ... CXR in video for comparison ... #Lung #Ultrasound
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
B-Lines in case of Pneumonia ... healthy pt with fever ... interstitial diffuse infections ... NOT definitively diagnose ... #ultrasound
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... : • 80% have fever ... decubitus - air fluid level ... Intervention: - Fevers
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... Red Flags: • Fever ... sweats, chills (infection ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... throughout the lungs ... Differential Diagnosis ... Opacities: • Infectious ... rarely typical pneumonia
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... Diagnosis is generally ... e.g., CXR, CT, ultrasound ... Inflammation (e.g., fever ... #Pneumonia #Venn
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... : Pneumonia • Autoimmune ... Low serum IgG level